Specifications include, but are not limited to: The average inmate population of the Durham County Detention Facility is approximately 392 inmates. The daily inmate population fluctuates, and this average population is only provided as a guideline. 2. The Vendor shall prepare proposal based on twice a week delivery. The County may increase the deliveries to three times a week if the County sees a need for increase in deliveries. For example, the delivery schedule may be modified as the detention facility population increase. The current delivery schedule is Tuesday and Thursday. 3. The Vendor will supply sufficient personnel to deliver commissary orders to each housing unit. Commissary personnel will be required to obtain a signature on each order when delivered.